<template>
  <div class="editor">
    <div style="border: 1px solid #ccc">
      <Toolbar
        style="border-bottom: 1px solid #ccc"
        :editor="editorRef"
        :defaultConfig="toolbarConfig"
        :mode="mode"
      />
      <Editor
        style="height: 500px; overflow-y: hidden"
        v-model="valueHtml"
        :defaultConfig="editorConfig"
        :mode="mode"
        @onCreated="handleCreated"
        @onChange="handleChange"
      />
    </div>
  </div>
</template>

<script lang="ts">
import {
  onBeforeUnmount,
  ref,
  shallowRef,
  defineComponent,
  onMounted
} from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'
import { IEditorConfig, IToolbarConfig } from '@wangeditor/editor'

export default defineComponent({
  components: { Editor, Toolbar },
  props: {
    value: {
      type: String,
      default: ''
    }
  },
  emits: ['update:value'],
  setup(props, { emit }) {
    // 编辑器实例，必须用 shallowRef
    const editorRef = shallowRef()

    // 内容 HTML
    const valueHtml = ref(props.value)

    // 模拟 ajax 异步获取内容
    // onMounted(() => {
    //   setTimeout(() => {
    //     valueHtml.value = '<p>模拟 Ajax 异步设置内容</p>'
    //   }, 1500)
    // })

    //工具栏配置
    const toolbarConfig: Partial<IToolbarConfig> = {}
    //编辑器配置
    const editorConfig: Partial<IEditorConfig> = {
      placeholder: '请输入内容...'
    }

    // 组件销毁时，也及时销毁编辑器
    onBeforeUnmount(() => {
      const editor = editorRef.value
      if (editor == null) return
      editor.destroy()
    })

    const handleCreated = (editor: any) => {
      editorRef.value = editor // 记录 editor 实例，重要！
    }
    const handleChange = () => {
      emit('update:value', valueHtml.value)
    }

    return {
      editorRef,
      valueHtml,
      mode: 'default', // 或 'simple'
      toolbarConfig,
      editorConfig,
      handleCreated,
      handleChange
    }
  }
})
</script>
<style scoped></style>
